/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.je.bpm.engine.impl.cmd;

import com.je.bpm.engine.ActivitiIllegalArgumentException;
import com.je.bpm.engine.ActivitiObjectNotFoundException;
import com.je.bpm.engine.impl.bpmn.behavior.KaiteBaseUserTaskActivityBehavior;
import com.je.bpm.engine.impl.interceptor.Command;
import com.je.bpm.engine.impl.interceptor.CommandContext;
import com.je.bpm.engine.impl.persistence.entity.TaskEntity;
import com.je.bpm.engine.impl.persistence.entity.VariableInstance;
import com.je.bpm.engine.impl.persistence.entity.VariableInstanceEntity;
import com.je.bpm.engine.task.Task;

import java.io.Serializable;
import java.util.Map;

/**
 * 根据taskId获取task
 */
public class GetTaskEntityCmd implements Command<Map<String, Object>>, Serializable {

    private static final long serialVersionUID = 1L;
    private String taskId;

    public GetTaskEntityCmd(String taskId) {
        this.taskId = taskId;
    }

    @Override
    public Map<String, Object> execute(CommandContext commandContext) {
        if (taskId == null) {
            throw new ActivitiIllegalArgumentException("taskId is null");
        }
        TaskEntity task = commandContext.getTaskEntityManager().findById(taskId);
        if (task == null) {
            throw new ActivitiObjectNotFoundException("Cannot find task with id " + taskId, Task.class);
        }
        Map<String, Object> vars = task.getVariables();
        if (task.getTaskDefinitionKey().startsWith("countersign") || task.getTaskDefinitionKey().startsWith("batchtask")) {
            Map<String, VariableInstance> parentVar = task.getExecution().getVariableInstances();
            VariableInstanceEntity variableInstanceEntity = (VariableInstanceEntity) parentVar.get(KaiteBaseUserTaskActivityBehavior.DIRECT_TASK_TARGET);
            vars.put(variableInstanceEntity.getName(), variableInstanceEntity);
        }
        return vars;
    }

}
